The act of having Sexual relations with a women, while unbeknownst to you and beknownst to her(because she doesn't tell you but she had to have known), she is currently menstruating. While hooking up with said female, you somehow come into contact with her "special area" and signs of contact can be seen by everyone.

Derived from the phrase "good shot kirk." Used when you hit a golf shot and it slices into the woods or an otherwise bad shot or bad move done in any sport or life action. Kirked is when you make a bad shot or move and somebody quickly responds by stating "Good Shot Kirk!"

You confidently line up to hit your driver off the tee. You hit the ball and it starts to drift into the woods. Other player might say "Good shot kirk!" Then you have been "kirked."